223041361421 has 4 divisors (see below), whose sum is σ = 226697777244. Its totient is φ = 219384945600.

The previous prime is 223041361379. The next prime is 223041361427. The reversal of 223041361421 is 124163140322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2339656900 + 220701704521 = 48370^2 + 469789^2 .

It is a cyclic number.

It is not a de Polignac number, because 223041361421 - 2⁶ = 223041361357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223041361427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1828207820 + ... + 1828207941.

It is an arithmetic number, because the mean of its divisors is an integer number (56674444311).

Almost surely, 2^223041361421 is an apocalyptic number.

It is an amenable number.

223041361421 is a deficient number, since it is larger than the sum of its proper divisors (3656415823).

223041361421 is an equidigital number, since it uses as much as digits as its factorization.

223041361421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656415822.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 223041361421 in words is "two hundred twenty-three billion, forty-one million, three hundred sixty-one thousand, four hundred twenty-one".